summaryrefslogtreecommitdiffstats
path: root/qemu/tests/multiboot/mmap.c
diff options
context:
space:
mode:
Diffstat (limited to 'qemu/tests/multiboot/mmap.c')
-rw-r--r--qemu/tests/multiboot/mmap.c56
1 files changed, 56 insertions, 0 deletions
diff --git a/qemu/tests/multiboot/mmap.c b/qemu/tests/multiboot/mmap.c
new file mode 100644
index 000000000..766b003f3
--- /dev/null
+++ b/qemu/tests/multiboot/mmap.c
@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) 2013 Kevin Wolf <kwolf@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "libc.h"
+#include "multiboot.h"
+
+int test_main(uint32_t magic, struct mb_info *mbi)
+{
+ uintptr_t entry_addr;
+ struct mb_mmap_entry *entry;
+
+ (void) magic;
+
+ printf("Lower memory: %dk\n", mbi->mem_lower);
+ printf("Upper memory: %dk\n", mbi->mem_upper);
+
+ printf("\ne820 memory map:\n");
+
+ for (entry_addr = mbi->mmap_addr;
+ entry_addr < mbi->mmap_addr + mbi->mmap_length;
+ entry_addr += entry->size + 4)
+ {
+ entry = (struct mb_mmap_entry*) entry_addr;
+
+ printf("%#llx - %#llx: type %d [entry size: %d]\n",
+ entry->base_addr,
+ entry->base_addr + entry->length,
+ entry->type,
+ entry->size);
+ }
+
+ printf("\nmmap start: %#x\n", mbi->mmap_addr);
+ printf("mmap end: %#x\n", mbi->mmap_addr + mbi->mmap_length);
+ printf("real mmap end: %#x\n", entry_addr);
+
+ return 0;
+}